Fatal error: Uncaught Error: Class "Pelago\Emogrifier\HtmlProcessor\AbstractHtmlProcessor" not found in /users/danielstruebig/www/firma/vendor/pelago/emogrifier/src/HtmlProcessor/CssToAttributeConverter.php:18 Stack trace: #0 {main} thrown in /users/danielstruebig/www/firma/vendor/pelago/emogrifier/src/HtmlProcessor/CssToAttributeConverter.php on line 18